// For flags

CVE-2020-21528

Gentoo Linux Security Advisory 202312-09

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.

Multiple vulnerabilities have been discovered in NASM, the worst of which could lead to arbitrary code execution. Versions greater than or equal to 2.16.01 are affected.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-08-13 CVE Reserved
  • 2023-08-22 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Nasm
Search vendor "Nasm"
 Netwide Assembler
Search vendor "Nasm" for product "Netwide Assembler"
 2.14.03
Search vendor "Nasm" for product "Netwide Assembler" and version "2.14.03"
rc2
Affected
Nasm
Search vendor "Nasm"
 Netwide Assembler
Search vendor "Nasm" for product "Netwide Assembler"
 2.15
Search vendor "Nasm" for product "Netwide Assembler" and version "2.15"
-
Affected